Thermometers - Assignment Point
Subject: Physics | Topics:

Major objective of this lecture is to present on Thermometers. A Thermometermeasures air temperature. A Thermometer works because matter expands when heated. Most thermometers are closed glass tubes containing liquids such as alcohol. When air around the tube heats the liquid, the liquid expands and moves up the tube. A scale then shows the actual temperature of the air.

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